133 search results - page 19 / 27 » Ad-hoc Top-k Query Answering for Data Streams |
120
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ICDM
2007
IEEE
15 years 1 months ago
2007
IEEE
Model-based declarative queries are becoming an attractive paradigm for interacting with many data stream applications. This has led to the development of techniques to accurately...
116
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ADBIS
2008
Springer
15 years 4 months ago
2008
Springer
Abstract. We propose a new approach for enhancing collaborative information retrieval by means of incorporating positional data for a location-aware personalized retrieval process....
167
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
106
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JACM
2012
13 years 3 days ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
TKDE
2008
14 years 9 months ago
2008
With the advance of hardware and communication technologies, stream time series is gaining ever-increasing attention due to its importance in many applications such as financial da...